1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8136421 27 * @requires vm.jvmci 28 * @library / /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 34 * -Djvmci.Compiler=null 35 * compiler.jvmci.compilerToVM.HasFinalizableSubclassTest 36 */ 37 38 package compiler.jvmci.compilerToVM; 39 40 import compiler.jvmci.common.testcases.AbstractClass; 41 import compiler.jvmci.common.testcases.AbstractClassExtender; 42 import compiler.jvmci.common.testcases.DoNotImplementInterface; 43 import compiler.jvmci.common.testcases.MultipleImplementer1; 44 import compiler.jvmci.common.testcases.MultipleImplementersInterface; 45 import compiler.jvmci.common.testcases.SingleImplementerInterface; 46 import jdk.test.lib.Asserts; 47 import jdk.test.lib.Utils; 48 import jdk.vm.ci.hotspot.CompilerToVMHelper; 49 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 50 51 import java.util.HashSet; 52 import java.util.Set; 53 import java.util.stream.Stream; 54 55 public class HasFinalizableSubclassTest { 56 public static void main(String args[]) { 57 HasFinalizableSubclassTest test = new HasFinalizableSubclassTest(); 58 for (TestCase tcase : createTestCases()) { 59 test.runTest(tcase); 60 } 61 } 62 63 private static Set<TestCase> createTestCases() { 64 Stream.of( 65 AbstractClassExtender.class, 66 SingleImplementerInterface.class, 67 MultipleImplementersInterface.class, 68 MultipleImplementer1.class, 69 DoNotImplementInterface.class) 70 .forEach(Utils::ensureClassIsLoaded); 71 Set<TestCase> result = new HashSet<>(); 72 // iface with finalize method 73 result.add(new TestCase(SingleImplementerInterface.class, false)); 74 // iface with default finalize method 75 result.add(new TestCase(MultipleImplementersInterface.class, false)); 76 // class which implements iface w/ default finalize method 77 result.add(new TestCase(MultipleImplementer1.class, true)); 78 // abstract class with finalizeable subclass 79 result.add(new TestCase(AbstractClass.class, true)); 80 // non-implemented iface 81 result.add(new TestCase(DoNotImplementInterface.class, false)); 82 return result; 83 } 84 85 private void runTest(TestCase tcase) { 86 System.out.println(tcase); 87 HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper 88 .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.aClass), 89 getClass(), /* resolve = */ true); 90 Asserts.assertEQ(tcase.expected, 91 CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass), 92 "Unexpected finalizableSubclass state for " 93 + tcase.aClass.getName()); 94 } 95 96 private static class TestCase { 97 public final Class<?> aClass; 98 public final boolean expected; 99 100 public TestCase(Class<?> clazz, boolean expected) { 101 this.aClass = clazz; 102 this.expected = expected; 103 } 104 @Override 105 public String toString() { 106 return "CASE: class= " + aClass.getName() + ", expected=" + expected; 107 } 108 } 109 }